[longomatch] Return "Not Defined" if hotkey is not defined

[Andoni Morales Alastruey <amorales src gnome org>]

commit 194bc79967f4b8f036a0d3fb37021b0baaede531
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Thu Sep 10 17:26:20 2009 +0200

    Return "Not Defined" if hotkey is not defined

 LongoMatch/Time/HotKey.cs |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/LongoMatch/Time/HotKey.cs b/LongoMatch/Time/HotKey.cs
index 5af04ba..604aecf 100644
--- a/LongoMatch/Time/HotKey.cs
+++ b/LongoMatch/Time/HotKey.cs
@@ -91,6 +91,8 @@ namespace LongoMatch.TimeNodes
 		public override string ToString ()
 		{
 			string modifierS = Catalog.GetString("none");
+			if (!Defined)
+				return Catalog.GetString("Not defined");
 			if (Modifier == ModifierType.Mod1Mask)
 				modifierS = "Alt";
 			else if (Modifier == ModifierType.ShiftMask)